import pandas as pd
from tqdm import tqdm
voc1=pd.read_pickle("hex_voc1.pkl")
voc2=pd.read_pickle("hex_voc.pkl")

for k,v in tqdm(voc2.items()):
    voc1[k]=voc1.get(k,0)+v
pd.to_pickle(voc1,"hex_voc_3.pkl")